椭圆形轴承虽结构简单,但加工难度大,所以在高速机械上较少应用。
参考答案:错
— What do you think of Jeremy Shu-How Lin's overnight success?
— I think it is not good luck but hard work _____ has made him what he is today. [ ]
A. that
B. which
C. when
D. where
下列除哪项外,均为里实热证的表现()
A.身发高热
B.两颧娇红
C.口渴饮冷
D.热汗不止
E.脉象洪数